<template>
  <div>
    <el-upload
      class="avatar-uploader"
      action="#"
      :show-file-list="false"
      :auto-upload="false"
      :on-change="handleChange"
      :before-upload="beforeAvatarUpload"
    >
      <img v-if="imageUrl" :src="imageUrl" class="avatar" />
      <i v-else class="el-icon-plus avatar-uploader-icon"></i>
    </el-upload>
  </div>
</template>

<script>
export default {
  name: "MvCloudgateTerminalUploadPicture",
  props: {
    imgUrl: {
      type: String,
      default: "",
    },
  },
  data() {
    return {
      // imageUrl: this.imgUrl ? process.env.VUE_APP_BASE_URL + this.imgUrl : "",
      imageUrl: "",
    };
  },
  watch: {
    imgUrl: function (nVal, oVal) {
      if (this.imageUrl.indexOf("http:") != -1) {
        return;
      }
      this.imageUrl = process.env.VUE_APP_BASE_URL + nVal;
    },
  },
  mounted() {
    if (this.imgUrl) {
      if (this.imageUrl.indexOf("http:") != -1) {
        return;
      } else {
        this.imageUrl = process.env.VUE_APP_BASE_URL + this.imgUrl;
      }
    }
  },

  methods: {
    handleChange(file, fileList) {
      console.log(file);
      if (file.size / 1024 / 1024 > 1) {
        this.$message.error("上传图片大小不能超过 1MB!");
        return false;
      }
      // if (file.type != "image/jpeg") {
      // }

      this.imageUrl = URL.createObjectURL(file.raw);
      this.$emit("onImageChange", file);
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
  },
};
</script>

<style lang="scss" scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
  border: 1px dashed #d9d9d9;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
  border: 1px dashed #d9d9d9;
}
</style>
